--- a/hgext/rebase.py	Mon Jul 25 05:30:06 2022 +0200
+++ b/hgext/rebase.py	Wed Apr 20 19:24:39 2022 +0200
@@ -546,7 +546,9 @@
         date = self.date
         if date is None:
             date = ctx.date()
-        extra = {b'rebase_source': ctx.hex()}
+        extra = {}
+        if repo.ui.configbool(b'rebase', b'store-source'):
+            extra = {b'rebase_source': ctx.hex()}
         for c in self.extrafns:
             c(ctx, extra)
         destphase = max(ctx.phase(), phases.draft)